20057198762 has 8 divisors (see below), whose sum is σ = 30090137376. Its totient is φ = 10027152972.

The previous prime is 20057198753. The next prime is 20057198767. The reversal of 20057198762 is 26789175002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20057198767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705788 + ... + 733655.

It is an arithmetic number, because the mean of its divisors is an integer number (3761267172).

Almost surely, 2^20057198762 is an apocalyptic number.

20057198762 is a deficient number, since it is larger than the sum of its proper divisors (10032938614).

20057198762 is a wasteful number, since it uses less digits than its factorization.

20057198762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446412.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 20057198762 in words is "twenty billion, fifty-seven million, one hundred ninety-eight thousand, seven hundred sixty-two".